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| Name: | Butterworth, Jeffrey |
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| Club: | |||
| Residence: | Clermont, FL | ||
| Year of birth: | 1989 | (Cat. german: M35) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M35) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 2198417 | ||
3 search results (3 Events, 180.467 km). (More)
| 2026 | 1 Event, 50 km (More) | ||||
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| 18.04.2026 | Woodside Purisima Creek Crossover (USA) | 50km | |||
| 5:23:12 h | Butterworth, Jeffrey | *Sunnyvale, CA | Overall: 14 | M: 12 | Cat M35: 1 |
| 2025 | 1 Event, 80.467 km (More) | ||||
| 12.04.2025 | Lake Sonoma 50 Mile Race (USA) | 50mi | |||
| 9:50:31 h | Butterworth, Jeffrey | Overall: 27 | M: 16 | Cat M35: 3 | |
| 2024 | 1 Event, 50 km (More) | ||||
| 21.04.2024 | Horseshoe Lake 50 km Trail Run (USA) | 50km | |||
| 5:35:32 h | Butterworth, Jeffrey | *Clermont, FL | Overall: 1 | M: 1 | Cat M23: 1 |
Personal bests
Your list of personal best performances only contains performances of races which can be included into rankings.
In brackets rank in yearly international/national rankings.
| PB | 2026 | 2025 | 2024 |
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